diff --git a/main.c b/main.c
index 224c6ed..6f6a6de 100755
--- a/main.c
+++ b/main.c
@@ -1089,7 +1089,7 @@ void SFG_init()
     SFG_backgroundScaleMap[i] =
       (i * SFG_TEXTURE_SIZE) / SFG_GAME_RESOLUTION_Y;
 
-  for (uint8_t i = 0; i < SFG_KEY_DOWN; ++i)
+  for (uint8_t i = 0; i < SFG_KEY_COUNT; ++i)
     SFG_keyStates[i] = 0;
 
   SFG_backgroundScroll = 0;
diff --git a/platform_sdl.h b/platform_sdl.h
index c03d989..6dab2d2 100644
--- a/platform_sdl.h
+++ b/platform_sdl.h
@@ -35,8 +35,6 @@
 
 const uint8_t *sdlKeyboardState;
 
-int8_t mouseWheel;
-
 uint16_t screen[SFG_SCREEN_RESOLUTION_X * SFG_SCREEN_RESOLUTION_Y]; // RGB565 format
 
 SDL_Window *window;
@@ -138,11 +136,11 @@ int8_t SFG_keyPressed(uint8_t key)
       break;
 
     case SFG_KEY_NEXT_WEAPON:
-      return sdlKeyboardState[SDL_SCANCODE_M] || (mouseWheel > 0);
+      return sdlKeyboardState[SDL_SCANCODE_M];
       break;
 
     case SFG_KEY_PREVIOUS_WEAPON:
-      return sdlKeyboardState[SDL_SCANCODE_N] || (mouseWheel < 0);
+      return sdlKeyboardState[SDL_SCANCODE_N];
       break;
 
     default: return 0; break;
@@ -155,19 +153,6 @@ void mainLoopIteration()
 {
   SDL_PumpEvents(); // updates the keyboard state
 
-  mouseWheel = 0;
-
-  SDL_Event event;
-
-  while(SDL_PollEvent(&event))
-    if(event.type == SDL_MOUSEWHEEL)
-    {
-      if(event.wheel.y > 0)
-        mouseWheel = 1;
-      else
-        mouseWheel = -1;
-    }
-
   if (sdlKeyboardState[SDL_SCANCODE_ESCAPE])
     running = 0;